Stop scanning of outgoing mails?

Bart J. Smit mailscanner at SMITS.CO.UK
Thu Feb 19 17:05:17 GMT 2004

Why not set up a separate relay host for your external users and
authenticate them there?
Then route everything over to the MS machine with a smarthost directive, and
whitelist on the IP of the authentication host.


-----Original Message-----
From: Peter Peters [mailto:P.G.M.Peters at]
Posted At: 19 February 2004 09:36
Posted To: MailScanner
Conversation: Stop scanning of outgoing mails?
Subject: Re: Stop scanning of outgoing mails?
On Thu, 19 Feb 2004 02:31:35 +0100, you wrote:
>> How about doing it by IP address? Doesn't "From:", when presented
>> with an IP address, use the relay's IP addr and not the email address
>> of the sender?
>Yes, but the sender is not the machine but an SMTP authenticated
>client. I cannot whitelist the whole world there.
I am not experienced with authenticated SMTP use but wouldn't it be possible
to get the IP-address of the authenticated client somewhere and use a custom
function to whitelist?
Peter Peters, senior netwerkbeheerder
Dienst Informatietechnologie, Bibliotheek en Educatie (ITBE) Universiteit
Twente, Postbus 217, 7500 AE Enschede
telefoon: 053 - 489 2301, fax: 053 - 489 2383,

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